function y = raydan2(x)
% Raydan 2 function (CUTE)
%x0= [1.,1.,...,1.]..  
%fmin=n/2
%Author:wang zhujun
 n=length(x);
y=ones(1,n);
for i=1:n
    y(i)=exp(x(i))-x(i);
end
y=sum(y);